Using imaging as a biomarker for asthma

Abhaya Trivedi, Chase Hall, Eric A. Hoffman, Jason C. Woods, David S. Gierada, Mario Castro

Research output: Contribution to journalReview articlepeer-review

16 Scopus citations


There have been significant advancements in the various imaging techniques being used for the evaluation of asthmatic patients, both from a clinical and research perspective. Imaging characteristics can be used to identify specific asthmatic phenotypes and provide a more detailed understanding of endotypes contributing to the pathophysiology of the disease. Computed tomography, magnetic resonance imaging, and positron emission tomography can be used to assess pulmonary structure and function. It has been shown that specific airway and lung density measurements using computed tomography correlate with clinical parameters, including severity of disease and pathology, but also provide unique phenotypes. Hyperpolarized 129Xe and 3He are gases used as contrast media for magnetic resonance imaging that provide measurement of distal lung ventilation reflecting small-airway disease. Positron emission tomography can be useful to identify and target lung inflammation in asthmatic patients. Furthermore, imaging techniques can serve as a potential biomarker and be used to assess response to therapies, including newer biological treatments and bronchial thermoplasty.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalJournal of Allergy and Clinical Immunology
Issue number1
StatePublished - Jan 1 2017


  • Imaging
  • MRI
  • PET
  • biomarker
  • chest CT


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